Mai Mahui escarpment which is one of the black spots witnessed traffic disruption on Thursday following a road accident in the area.
The accident happened along the Mai Mahiu-Limuru road.
Several people have reportedly received bad injuries while others are in a critical condition.
The accident, Standard reports, involved a truck and 8 cars that are all damaged.
It's believed that the truck developed some mechanical problems before losing control and rammed into the cars that were coming from the opposite direction.
The driver of the truck is among those in a critical condition.
It is not yet clear on the number of victims that were involved in the crash.
Residents living in the area took immediate action of helping the police to rescue victims from the wrecked cars as many motorists had been trapped in the remains.
One of the wrecked cars. [Source/KenyaTraffic/Twitter]
The road has a huge traffic snarl up and the traffic police have advised other motorists to use different roads in the area, as they try to clear the road.
Locals have now urged the government to take appropriate measures and ensure that the roads in the area are constructed properly to reduce on accidents during this festive season.